Java tutorial
/* * Copyright 2014 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.spring.batch; import org.springframework.batch.item.file.mapping.FieldSetMapper; import org.springframework.batch.item.file.transform.FieldSet; import org.springframework.validation.BindException; import java.util.HashMap; import java.util.Map; /** * @author mminella */ public class SimilaritiesFieldSetMapper implements FieldSetMapper { @Override public Object mapFieldSet(FieldSet fieldSet) throws BindException { int tagId = fieldSet.readInt(0); String[] values = fieldSet.getValues(); Map<Integer, Double> similarites = new HashMap<Integer, Double>(); for (int i = 1; i < values.length; i++) { String[] curValues = values[i].split(":"); similarites.put(Integer.valueOf(curValues[0]), Double.valueOf(curValues[1])); } return new Similarities(tagId, similarites); } }